Hi.. i will travel to Guangzhou 1-4 Feb 2015, how is the weather?

It would be warm, with the average temp of around 68F. U are very likely to have cloudy days during that time. Generally, it will be pleasant to travel.

No, it is easy for shopping near the service apartment. The Haizhu Plaza, near which there are many good choices for fine shopping, is right within walking distance.